Trailer storage box

Abstract

A trailer box, comprising: a front wall, a back wall, a bottom wall, a top wall interconnected at 90 degree angles with a tubular metal frame comprising a plurality of structurally interconnected frame sections to form a hollow inner rectangular or trapezoidal portion and with opposed end portions comprising one or two hinged openings, wherein the plurality of structurally interconnected frame sections comprise four long horizontal frame sections, at least four vertical frame sections, and at least four horizontal frame sections providing a rectangular or trapezoidal frame, wherein the plurality of structurally interconnected frame sections comprise a metal selected from the group consisting of steel and aluminum, and wherein the trailer box is mounted on an underside of the trailer to provide storage for hauling 4×4 posts and/or dunnage.

What is claimed is: 
     
       1. A trailer box, comprising:
 a front wall, a back wall, a bottom wall, a top wall interconnected at 90 degree angles with a tubular metal frame comprising a plurality of structurally interconnected frame sections to form a hollow inner rectangular or trapezoidal portion and with opposed end portions comprising one or two hinged openings, 
 wherein the plurality of structurally interconnected frame sections comprise four long horizontal frame sections, at least four vertical frame sections, and at least four horizontal frame sections providing a rectangular or trapezoidal frame, 
 wherein the plurality of structurally interconnected frame sections comprise a metal selected from the group consisting of steel and aluminum, 
 wherein the trailer box is mounted on an underside of a trailer to provide storage for hauling 4×4 posts and/or dunnage, 
 wherein the one or two hinged openings comprise a rectangular metal frame covered with a sheet of solid metal, and 
 wherein the sheet of solid metal of the one or two hinged openings further comprises cut outs and/or slits for viewing the contents of the trailer box. 
 
     
     
       2. The trailer box of  claim 1 , wherein the structurally interconnected frame sections are square or tubular metal structurally welded together. 
     
     
       3. The trailer box of  claim 1 , wherein the trailer box is structurally connected to an underside of a frame of a trailer with at least one weld, at least one nut and bolt and/or at least one metal strap held in place with a weld and/or at least one nut and bolt at each terminal end of the at least one metal strap. 
     
     
       4. The trailer box of  claim 1 , wherein the trailer box is structurally connected to an underside of a frame of a trailer with at least one ½ thick metal plate or ¾ thick metal plate welded to the trailer box and the trailer's frame and/or structurally connected with at least one nut and bolt. 
     
     
       5. The trailer box of  claim 1 , wherein the trailer box is mounted to the underside of the trailer parallel to a long frame rail of the trailer, wherein the one or two hinged openings being about perpendicular to the long frame rails of the trailer. 
     
     
       6. The trailer box of  claim 1 , wherein the trailer box is mounted to the underside of a trailer about perpendicular to at least one long frame rail of the trailer, wherein the one or two hinged openings being about parallel to the long frame rails of the trailer, and wherein the trailer is about 9′ wide. 
     
     
       7. The trailer box of  claim 1 , wherein the trailer box is mounted to the underside of a trailer at between about 5 degrees to 45 degrees about the vertical axis of the trailer box relative to at least one long frame rail of the trailer, wherein the trailer box is a trapezoid mounted with the one or two hinged openings being about parallel to the long frame rails of the trailer, and wherein the trailer is about 8′6″ wide. 
     
     
       8. The trailer box of  claim 1 , wherein the one or two hinged openings on opposed ends open with at least one hinge mounted to a horizontal frame section. 
     
     
       9. The trailer box of  claim 1 , wherein the one or two hinged openings on opposed ends open with at least one hinge mounted to a vertical frame section. 
     
     
       10. The trailer box of  claim 1 , wherein the back wall is a sheet of expanded metal. 
     
     
       11. The trailer box of  claim 1 , wherein the bottom wall is a sheet of expanded metal. 
     
     
       12. The trailer box of  claim 1 , wherein the top wall is a sheet of solid metal. 
     
     
       13. The trailer box of  claim 1 , wherein the front wall is a sheet of solid metal. 
     
     
       14. The trailer box of  claim 1 , wherein the front wall, the back wall, the bottom wall and the top wall are each a solid metal sheet. 
     
     
       15. The trailer box of  claim 1 , further comprising at least one metal frame support mounted to the front wall and/or a front wall frame section capable of interconnecting with and supporting at least one mud flap. 
     
     
       16. The trailer box of  claim 1 , wherein the sheet of solid metal is sized to cover the opposed end portions and is secured when closed with a fastener. 
     
     
       17. The trailer box of  claim 16 , further comprising that the one or two hinged openings are/is secured when closed with a fastener comprising at least one clasp, at least one sliding bolt, at least one strap or at least one nut and bolt. 
     
     
       18. The trailer box of  claim 1 , wherein the frame, front wall, back wall, bottom wall, and the top wall are constructed from steel or aluminum.